I  wish to prepare 500.0 mL of a 800.0 ppm w/v fluoride (MW = 18.9984 g/mol) solution. a.)How many grams of beryllium fluoride (BeF2, MW = 47.01 g/mol) are needed to prepare this solution? Assume the final solution has a density of 1.00 g/mL. b.) How many grams of beryllium fluoride are needed to prepare 500.0 mL of 0.882 M F−?   Thank you!

Q: How many liters of a 3.66  M M K2SO4K2SO4 solution are needed to provide 76.2  g g of K2SO4K2SO4…

A: Let the volume of solution of 3.66 M be V    We know that Molarity of a solution is the number of…

Q: A Na2SO4 solution is prepared that is 1000.0 ppm (parts per million) sodium ion. a) What is the…

A: a) 1 ppm is equivalent to 1 mg/L Thus 1000 ppm is equivalent to 1000 mg/L. Determination of…

Q: . What is the molarity of a solution made when water is added to 11.0 g urea (MM=60.07) to make 100.…

A: 9.Molarity is used to express concentration of a solution.

Q: 9. To what final volume should you dilute 42.5 ml of a 2.25 M NaCl so that 25.0 ml of the diluted…

A: Volume of stock solution(V1) = 42.5 mlMolarity of stock solution(M1) = 2.25 Mmass of NaCl = 3.25…

Q: Which of the following statements is TRUE? a. Some solutions can be separated into their components…

A:

Q: What is the molality of a solution that contains 2.16 g mL of chemical A (denisty = 1.43 g/mL and…

A:

Q: 5. Consider a solution composed of toluene (CHs) and benzene (C6H6) with volumes 50 mL and 125 mL,…

A: Volume (Toluene)=50 mL 1 mL= 1 cm3 Mass of toluene= Density x Volume Mass of toluene= 0.867 g/cm3 x…

Q: concentrated potassium hydroxide solution is 45.0% KOH by mass and has a density of 1.44 g/mL  at…

A: Density is equal to weight of solution divide by volume of solution

Q: (C6H12O6-H₂O) per 100.0 mL of solution. Assuming a density of 1.01 g/cm³, calculate the molarity and…

A:

Q: How many grams of copper sulfate would you need to make 3 L of a 7 M copper sulfate solution (m.w. =…

A: Molarity of a solution is defined as the number of moles of solute present in one litre of a…

Q: In a 70% by mass of isopropyl alcohol (molar mass - 60.1 g/mol) aqueous solution, what would be…

A: As here 70% by mass of Isopropyl alcohol is in aqueous solution. 70% by mass of Isopropyl alcohol…

Q: Household ammonia used for cleaning contains about 4.5 g of NHs in 200 mL of solution. What is the…

A:

Q: 2 You will need 25.0 mL of 0.5 M solutions of each reagent. To do this: Calculate the mass of sodium…

A: Molarity of Na2CO3=0.5M Volume of the solution =25.0 mL = 25.0mL1000mL×1L=0.025L

Q: The density of the concentrated HBr solution of 48% by mass is 1.50 g / ml.  a) How many grams of…

A:

Q: The data table below is used for the next two questions. For both questions, you're being asked…

A:

Q: What is the molality of a solution made by combining 2.3266 g sodium hydroxide, NaOH, with 0.3400 L…

A:

Q: Jumbled below are the steps to making a solution. Place the steps in the correct order (step 1 = 1,…

A: During solvation of a solute or dissolution of solute the following steps occurs step by step-…

Q: A dioxin-contaminated water source contains 0.066 % dioxin by mass. How much dioxin is present in…

A: To solve this problem we will use the formula  % of dioxin = (mass of dioxin / mass of solution) ×…

Q: What is the concentration in molarity of an aqueous solution which contains 1.41% by mass acetone…

A:

Q: 5. What is the molarity of a water solution that contains 22.2g of C,H,„O, in a total volume of…

A: Hi, since you have posted multiple questions. We will answer the very first question for you. Kindly…

Q: alculate the molarity of the solute in the following solutions containing a. 1.25 g MgNH4PO4 in 750.…

A: Molarity is defined as number of mole solute divide by volume of solution in liter

Q: 1 n our candy making lab, we made a solution of 614 grams of sugar (CHO) dissolved in water that…

A:

Q: A student has a stock solution of 30.0% w/v H2O2 (hydrogen peroxide). Describe how the student…

A:

Q: A student is asked to make up 100.0 g of a 26 % (w/w) sucrose solution. The students weighted out 26…

A:

Q: What is the concentration in molarity of an aqueous solution which contains 1.15% by mass acetone…

A: 1.15 % by mass , 100 g solution contains 1.15 g actone Moles of Acetone =1.15/58.08       = 0.0198…

Q: A solution containing 41.684 g of LiF (M.M. = 25.939 g/mol) per liter has a density of l1.391 g/mL.…

A: Molarity is defined as the moles of solute per litre of the solution. M=nV..........(1) where M:…

Q: What is the concentration in molarity of an aqueous solution which contains 2.57% by mass acetone…

A: 2.57% by mass means 100g of solution contains 2.57g of acetone.

Q: How many liters of a 3.85 M K2SO4 solution are needed to provide 95.4 g of K2SO4(molar mass 174.01…

A: The molarity of the solution is given as 3.85 M K2SO4 and it is required to calculate the volume. To…

Q: 1. By referring to figure below, determine whether the addition of 40.0 g of each of the following…

A: The amount of solute present in 100 g of solvent is known as solubility. The solubility of a solute…

Q: 5. Consider a solution composed of toluene (C7H8) and benzene (C6H6) with volumes 50 mL and 125 mL,…

A: The homogeneous mixture of one substance into another is known as a solution. The component that is…

Q: What mass of KBr is present in 54.92 g of 14.2% (m/m) KBr solution?

A: Answer: In this question we have to find out the mass of KBr that should be present in 54.92g…

Q: Calculate the mass of NaOH pallets in grams needed to prepare 50 mL of 0.25 M NaOH solution. The…

A:

Q: Suppose two beakers are placed in a small closed container at 25°C. One contains 400. mL of a 0.100…

A: If you find this helpful please upvote me.

Q: 3. a. A solution contains 1.75 g of a non-volatile, non-clectrolyte solute dissolved in 23.47g…

A:

Q: 1. Find the mass percent of CaCl2 (110.98 g/mol) in a solution whose molarity is 1.45 M and whose…

A: given that,Molarity = 1.45 M = 1.45 mol/ 1L density = 1.12 g/mLvolume of the solution = 1L = 1000mL…

Q: You have a solution which is 44.4% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

A: Percentage of isopropyl alcohol in solution and its density, for which molarity is to be determined.

Q: When 5.0 g of sodium phosphate dissolves in 50.0 mL of water, what is the boiling point of the…

A: We will calculate molality first, then find boiling point of solution using colligative property.

Q: What volume (in mL) of a 2.5 M NaOH solution is needed to prepare 500.0mL of a 0.10 M NaOH solution?…

A: As we know,Moles the solute remains same on dilution but volume of the solution increases.Dilution…

Q: 1. What is the molarity of the solution that contains 0.050 g of aluminum nitride AIN in 22.5 L of…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A beaker in front of you hold 95.0 g of a solution containing 33.375 g of sodium chloride in water.…

A: Solution is made up of two components: solute and solvent. Component which is present in minor…

Q: Calculate the molarity of the solute in the following solutions containing a. 7.70 g MgNH,PO4 in…

A: